Home / 7,926,022.80-11,857,541.40-6,872,763.60

Finding the Fourth Proportional to 7,926,022.80, 11,857,541.40 and 6,872,763.60

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Solution

The fourth proportional to 7,926,022.80, 11,857,541.40 and 6,872,763.60 is: 10,281,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,022.80 : 11,857,541.40 = 6,872,763.60 : x
  2. Step 2: Convert to fraction form
    7,926,022.80/11,857,541.40 = 6,872,763.60/x
  3. Step 3: Cross multiply
    7,926,022.80x = 11,857,541.40 × 6,872,763.60
  4. Step 4: Simplify right side
    7,926,022.80x = 81,494,078,919,413.03
  5. Step 5: Solve for x
    x = 81,494,078,919,413.03/7,926,022.80
  6. Step 6: Final answer
    x = 10,281,837.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.